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[54.240.197.228]) by smtp.gmail.com with ESMTPSA id y14-20020a7bcd8e000000b004030e8ff964sm15244651wmj.34.2023.09.18.05.11.53 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 18 Sep 2023 05:11:54 -0700 (PDT) From: Paul Durrant X-Google-Original-From: Paul Durrant Message-ID: <3cf7adca-aa69-4ac8-ca92-f10b1bd2e163@xen.org> Date: Mon, 18 Sep 2023 13:11:53 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:102.0) Gecko/20100101 Thunderbird/102.15.0 Reply-To: paul@xen.org Subject: Re: [PATCH v2 05/12] KVM: pfncache: allow a cache to be activated with a fixed (userspace) HVA Content-Language: en-US To: David Woodhouse , kvm@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Paul Durrant , Paolo Bonzini References: <20230918112148.28855-1-paul@xen.org> <20230918112148.28855-6-paul@xen.org> Organization: Xen Project In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-2.1 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A, SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on morse.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (morse.vger.email [0.0.0.0]); Mon, 18 Sep 2023 05:13:04 -0700 (PDT) On 18/09/2023 12:34, David Woodhouse wrote: > On Mon, 2023-09-18 at 11:21 +0000, Paul Durrant wrote: >> From: Paul Durrant >> >> Some cached pages may actually be overlays on guest memory that have a >> fixed HVA within the VMM. It's pointless to invalidate such cached >> mappings if the overlay is moved so allow a cache to be activated directly >> with the HVA to cater for such cases. A subsequent patch will make use >> of this facility. >> >> Signed-off-by: Paul Durrant > > Reviewed-by: David Woodhouse > > Btw, I think you have falsified some Reviewed-by: tags on the rest of > the series. Remember, if they aren't literally cut and pasted, the > magic gets lost. Just the same as Signed-off-by: tags. Never type them > for someone else. Indeed. They were all copied and pasted. Paul